Answer:
it is very large and invisible
Answer:
The answer is D.
Explanation:
Closed systems can't exchange matter with the surroundings, but can exchange energy.
That is not yet possible. that technology has not yet been invented.
I am pretty sure that<span> the following which describes resistance force is the fourth option from the scale represented above : </span>D .force applied by the machine to overcome resistance. I choose this due to the Newton's 3rd law, as the<span> force that shoul be overcome by a machine before it perform its usual work. Do hope you will find it helpful! Regards!</span>